The system receives two CVBS signals by two SAA7111 decoder chips. Under the control of the FPGA, the two-way signal is synthesized to one way and transmitted to the ARM11 module.
该系统通过两个SAA7111芯片接收解码两路CVBS信号，并在FPGA的控制下将两路信号合成一路传输给ARM11模块。
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